Chronograph Stopwatches for professional affordable timing. Great for Physical Education! Each stopwatch comes with a breakaway safety lanyard, battery, and instructions. Cumulative split only. Split release action. Timing range 24 hours. Micro Switches. Magnum XL Displays. 5 Year battery life (CR2032). Breakaway Safety Lanyards. 1, 2 Fast Finish. Start / Stop. Event / Timeout. Timing interval (1/100 sec to 40 min). Shock resistance and Water resistance to 30m / 100 ft. Includes the Time, Date, Day of Week, and Alarm. Set of 6 transclucent colors (1 ea. orange, green, red, blue, yellow, purple).